(Study Material) RRB NTPC (Tier -2) Exam (Numerical Aptitude) - Compound Interest

(Study Material) RRB NTPC (Tier -2) Exam (Numerical Aptitude) - Compound Interest

1. The sum on which the compound interest for second year at 10% per annum is Rs. 154, is given by

(a) Rs. 1360
(b) Rs. 1250
(c) Rs. 1400
(d) Rs. 1520

2. The present worth of Rs. 2809 due 2 yr hence at 6% per annum, is

(a) Rs. 2100
(b) Rs. 2600
(c) Rs. 2400
(d) Rs. 2500

3. A man borrows Rs. 12500 from a bank at 20% compound interest. At the end of every year he pays Rs. 2000 as part repayment. How much (in rupees) does he still owe to the bank after three such instalments?

(a) 15600
(b) 12864
(c) 13780
(d) 14320

4. A sum of Rs. 390200 is to be paid back in three equal annual instalments. How much is each instalment, if the rate of interest charged is 4% per annum compounded annually?

(a) Rs. 140608
(b) Rs. 120560
(c) Rs. 10000
(d) Rs. 18000

5. A sum of Rs. 2400 deposited at CI, doubled after 5 yr. After 20 yr it will become

(a) Rs. 24000
(b) Rs. 38400
(c) Rs. 19200
(d) Can’t be determine

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